Hi
I have been coughing for about a year and few months.It starts when i feel a crawling sensation around my throat area and my airway. this crawling kinda forces me to cough, if i don't cough its painful and my eyes starts tearing up. And when i cough it, i cough out white foamy stuff. I have done lots of tests and nothing was found to be causing it. please help me, it really disturbing me.

Hi, welcome to the ehealth forum and I am glad to help you.
You seem concerned by the crawling sensation in throat followed by the urge to cough for the last year and few months.
You need to consult your personal physician for the definitive diagnosis but the possibility of GERD leading to cough in your case is quite strong and you must discuss the same with your physician and the treatment of the same might help your cough.
Hope this helps. Take care.
Note: This post is not to emphasise final diagnosis as the same cannot be made online and is aimed just to provide medical information and no treatment suggested above be taken without face to face consultation with health care professional

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